Dai-chan, Daisuki.

Main character in this film, Mai, has a handicapped brother, who is totally deaf, called Dai-Chan. He is like a younger brother for Mai yet he is actually her older brother because Dai-Chan always asks Mai to hold him up with smiling all over. One day, an elementary school Mai goes to and a handicapped school Dai-Chan goes to start to communicate each other. And then, Mai's class mates started to make fun ...